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FANUC Series 0i-MODEL F Plus. CONNECTION MANUAL (FUNCTION) - page 256

11. TOOL FUNCTIONS

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Table 11.4.4

First geometry tool offset

Second geometry tool offset

No.

X axis

Z axis

No.

X axis

Z axis

20.000

5.000

0.000

25.000

8.000

0.000

-20.000

5.000

120.000

10.000

-10.000

3.000

120.000

-30.000

-15.000

0.000

120.000

-70.000

-18.000

7.000

120.000

-190.000

Offset data

The data for the second geometry tool offset can be set for each path. The number of items of the data can
be set with parameter No. 5024. The data remains stored even after the power is turned off.
If the data is to be made common to paths, use the memory common to paths.

Signal

Second geometry tool offset signal G2SLC<Gn090.7>

[Classification] Input signal

[Function] This signal selects whether to use the second geometry tool offset.

[Operation] When a tool number is specified with a T code, only the first geometry tool offset is used

as the tool geometry offset value if this signal is 0; if this signal is 1, the value obtained
by adding the second geometry tool offset to the first geometry tool offset is used as the
tool geometry offset value.

NOTE

To switch this signal, use an M code for suppressing buffering. If
the signal is switched without suppressing buffering during
automatic operation, it is likely that no offset may work properly.

Second geometry tool offset axis selection signals

G2X,G2Z,G2Y<Gn090.4, Gn090.5, Gn090.6>

[Classification] Input signal

[Function] These signals select the axis for which the second geometry tool offset is added to the

first geometry tool offset.

[Operation] If these signals are set to 0, the second geometry tool offset is not added to the controlled

axis corresponding to the axis bit.
If these signals are set to 1, the second geometry tool offset is added to the controlled axis
corresponding to the axis bit.
These signals are valid when the second geometry tool offset signal G2SLC is set to 1.

NOTE

G2Y requires the Y-axis offset.

Tool offset direction signals G2RVX,G2RVZ,G2RVY<Gn090.0, Gn090.1, Gn090.2>

[Classification] Input signal

[Function] When a tool offset is used, these signals change the direction of the compensation

amount.
The direction of the tool offset for compensation is determined by tool movement as
follows:
0:

The same direction as the direction indicated by the sign

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The opposite direction to the direction indicated by the sign

NOTE

1 G2RVY requires the Y-axis offset.
2 This signal cannot shift a coordinate.

Signal address

Gn090

G2SLC

G2Y

G2Z

G2X

G2RVY

G2RVZ

G2RVX

Parameter

3032

Allowable number of digits for the T code

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 1 to 8

Set the allowable numbers of digits for the T code.
When 0 is set, the allowable number of digits is assumed to be 8.

3290

GO2

[Input type] Parameter input

[Data type] Bit path

#5 GO2

Setting the second geometric tool offset value by MDI key input is:

Disabled.

Not disabled.

5002

LWM

LGT

LGN

[Input type] Parameter input

[Data type] Bit path

#1 LGN

Geometry offset number of tool offset

Is the same as wear offset number

Specifies the geometry offset number by the tool selection number

NOTE

This parameter is valid when tool geometry/wear compensation is
specified.

#4 LGT

Tool geometry compensation

Compensated by the shift of the coordinate system

Compensated by the tool movement

NOTE

This parameter is valid when tool geometry/wear compensation is
specified.

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#6 LWM

Tool offset operation based on tool movement is performed:

In a block where a T code is specified.

Together with a command for movement along an axis.

5024

Number of tool compensation values

NOTE

When this parameter is set, the power must be turned off before
operation is continued.

[Input type] Parameter input

[Data type] Word path

[Valid data range] 0 to 999

Set the maximum allowable number of tool compensation values used for each path.
Ensure that the total number of values set in parameter No. 5024 for the individual paths
is within the number of compensation values usable in the entire system. The number of
compensation values usable in the entire system depends on the option configuration.
If the total number of values set in parameter No. 5024 for the individual paths exceeds
the number of compensation values usable in the entire system, or 0 is set in parameter
No. 5024 for all paths, the number of compensation values usable for each path is a value
obtained by dividing the number of compensation values usable in the entire system by
the number of paths.
Tool compensation values as many as the number of compensation values used for each
path are displayed on the screen. If tool compensation numbers more than the number of
compensation values usable for each path are specified, alarm PS0115 “VARIABLE NO.
OUT OF RANGE” is issued.
For example, 64 tool compensation sets are used, 20 sets may be allocated to path 1, 30
sets to path 2, and 14 sets to path 3. All of 64 sets need not be used.

5028

Number of digits of an offset number used with a T code command

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 0 to 4

Specify the number of digits of a T code portion that is used for a tool offset number
(wear offset number when the tool geometry/wear compensation function is used).
When 0 is set, the number of digits is determined by the number of tool compensation
values.
When the number of tool compensation values is 1 to 9: Lower 1 digit
When the number of tool compensation values is 10 to 99: Lower 2 digits
When the number of tool compensation values is 100 to 999: Lower 3 digits

[Example] When an offset number is specified using the lower 2 digits of a T code, set 2 in

parameter No. 5028.
Txxxxxx yy
xxxxxx : Tool selection
yy : Tool offset number

In tool management function, set 4 in this parameter to set 4-digit number in parameter
No.13265.

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NOTE

A value longer than the setting of parameter No. 3032 (allowable
number of digits of a T code) cannot be set.

Reference item

Manual name

Item name

OPERATOR’S MANUAL (For Lathe System)
(B-64694EN-1)

Second Geometry Tool Offset

11.5

TOOL LIFE MANAGEMENT

Tools are classified into several groups, and a tool life (use count or use duration) is specified for each
group in advance. Each time a tool is used, its life is counted, and when the tool life expires, a new tool
that is sequenced next within the same group is selected automatically. With this function, the tool life
can be managed while machining is being performed continuously. Data for tool life management
consists of tool group numbers, tool life values, tool numbers, and codes for specifying a tool offset value.
These data items are registered in the CNC.

Tool group number m

Tool life value l

Tool number (T) Code for specifying tool offset

value (H/D)

1st-tool management data

2nd-tool management data

:
:

nth-tool management data

Tool life
management data

Tool group number 1

:
:

Tool group number m

:
:

Tool group number p

Machining program

:
:
:
Command for selecting
tool group m
:
:
Tool change command
(M06)
:
:

Select

tool.

Machine and CNC operations

Machine

CNC

Places a

selected tool

in the wait

state.

Automatically

selects, from tool

group m, a tool

whose life has not

expired.

Attaches the

tool in the

wait state to

the spindle

(tool

change).

Starts counting the

life of the tool

attached to the

spindle.

Fig. 11.5 (a) Tool selection from machining program

A group is selected by a T code, and tool life counting is started by the M06 command.

The T series has two tool change types (the turret type and the ATC type). The turret type uses only a T
code to select a group, specify a tool offset value, and start tool life counting, whereas the ATC type, like
the M series, uses a T code to select a group and the M06 command to start tool life counting. With the
ATC type, only a D code is used for specifying a tool offset value. The tool change type is selected by bit
3 (TCT) of parameter No. 5040.

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CAUTION

This function cannot be used if bit 1 (LGN) of parameter No. 5002 is set to 1 to
use the same number as the tool selection number to specify a geometric offset
number.

Life management B function

If the tool life management B function is enabled, the maximum tool life value can be extended, and the
tool life expiration prior notice signal TLCHB <Fn064.3> can be output to post tool life expiration in
advance when the remaining life (the life value - the life counter value) has reached the remaining life
setting. The remaining life setting is registered as tool life management data in the CNC in advance.
The tool life management B function is enabled by setting bit 4 (LFB) of parameter No. 6805 to 1.

If the tool life management B function is enabled, the function for selecting a tool group by an arbitrary
group number can be used.

The tool life management B function can be used. However, the function for selecting a tool group by an
arbitrary group number can be used only if the tool change type is the ATC type (bit 3 (TCT) of
parameter No. 5040 = 1).

Maximum number of tool life management groups and multi-path system

Up to 256 tool life management groups can be used in the entire CNC system.
For each path, set a maximum number of groups to be used in parameter No. 6813.
The maximum number of groups must be a multiple of the minimum number of groups (eight groups). If
the maximum number of groups is 0, the tool life management function is disabled.

Multipath system (when tool life management is performed for three paths)
Suppose that, of the total groups in the system (256 groups), 128 groups are
allocated to path 1, 64 groups to path 2, and 64 groups to path 3. Then, set
parameter No. 6813 as follows:

Tool life management data file
(256 groups in total in system)

Path 1

Up to 128 groups

Path 2

Up to 64 groups

Path 3

Up to 64 groups

Parameter No. 6813

Path 1

Set 128 in parameter

Path 2

Set 64 in parameter

Path 3

Set 64 in parameter

Fig. 11.5 (b) Group allocation in entire system

Signal

Tool change signal TLCH <Fn064.0>

[Classification] Output signal

[Function] Informs that the life of the last tool in a group has expired.

[Output cond.] The signal becomes 1 when:

The life of the last tool in a group has expired, after the next tool of the group was
selected each time the life of each tool in the group expired.

The signal becomes 0 when:
-

There is no group whose life has expired.

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When the signal is 1, it is reset to 0 by informing the CNC that tool change has been
finished for all groups in which the life of all tools had expired, by inputting the tool
change reset signal TLRST from the PMC or operating on the MDI.

CAUTION

If the tool life is specified by use count, the tool change signal
TLCH becomes 1 when the CNC is reset by a command such as
M02 or M30 after the tool life has expired or when the tool life count
restart M code is issued.
If the tool life count type is specified by duration, the TLCH
becomes 1 when the tool life expires, even if machining is in
progress. Machining, however, continues until the end of the
program.

Tool change reset signal TLRST <Gn048.7>

[Classification] Input signal

[Function] Clears all execution data, such as tool life count values and marks "*" and "@", for a

group.
After replacing all tools in the groups in which the life of all the tools has expired (as
shown on the screen) with new ones, input this signal by specifying a group number,
using the tool group number selection signals (TL01 to TL512). Setting bit 4 (GRS) of
parameter No. 6800 to 1 can clear execution data for all registered groups without
inputting the tool group number select signal.
Execution data can be cleared also by operating on the MDI.

[Operation] When the signal changes from 0 to 1, the control unit behaves as explained below.

If the lives of all tools in the group specified by the tool group number selection
signals (TL01 to TL512) have expired, the related information is cleared. Therefore,
when a subsequent program command specifies the group number, tools are selected
from the beginning. If the group specified by the tool group number selection signals
(TL01 to TL512) contains at least one tool whose life has not expired, no special
operation takes place.

NOTE

Set the tool change reset signal TLRST from 0 to 1 only when the
control unit is not in the reset state (the RST signal is 1) and the
following conditions are satisfied:
1) If bit 5 (TRS) of parameter No. 6805 = 0

Reset state (the OP signal is 0)

2) If bit 5 (TRS) of parameter No. 6805 = 1

<1> Reset state (the OP signal is 0)
<2> Automatic operation stop state (the STL signal and the SPL

signal are 0 and the OP signal is 1)

<3> Automatic operation stop state (the STL signal is 0 and the

SPL signal is 1)

(In the automatic operation stop state, automatic operation
pause state, and automatic operation start state (the STL
signal is 1) during execution of a data setting command
(G10 L3), however, the tool change reset signal TLRST is
invalid.)

Individual tool change signal TLCHI <Fn064.2>

[Classification] Output signal

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[Function] When the tool life count is specified by duration, this signal informs that the life of the

currently used tool has expired. The signal can be used to cause an interrupt to program
execution, to run a tool change program, and, after tool exchange, to resume the
interrupted program execution.

[Operation] The signal becomes 1 when:

The life of the currently used tool has expired.

The signal becomes 0 when:
-

An individual tool change reset is executed.

Individual tool change reset signal TLRSTI <Gn048.6>

[Classification] Input signal

[Function] Resets the individual tool change signal TLCHI to 0.

[Operation] When this signal becomes 1, the control unit behaves as explained below.

The individual tool change signal is reset to

NOTE

1 These signals are valid only for tool life management in which the

tool life count type is specification by duration.

2 The individual tool change signal TLCHI is not cleared by a reset.

Tool skip signal TLSKP <Gn048.5>

[Classification] Input signal

[Function] Skips a tool whose life has not expired and selects the next tool forcibly. One of the

following two methods can be selected according to the setting of bit 3 (SIG) of
parameter No. 6800:
(i) How to specify a group number by using the tool group number select signals (SIG

= 1)

Specify the group number of the tool to be skipped by using the tool group number
selection signals (TL01 to TL512), then set the tool skip signal to 1. The next T code
command will then select the next tool in the group which is specified to be skipped.

(ii) How not to specify a group number by using the tool group number select signals

(SIG = 0)

Set the tool skip signal TLSKP to 1 without specifying any group number. The
group to which the currently selected tool belongs is then assumed to be specified.

The next T code command will select the next tool in the group for which the skip is
specified.

When the tool skip signal TLSKP is set to 1 for the last tool, the tool change signal TLCH
is set to 1.

[Operation] When this signal is set from 0 to 1, the control unit behaves as explained below:

Among the tools whose lives have not expired in the group for which a skip
operation is specified, the smallest tool number in the tool life management table is
marked with "#". When the group is specified again by a T code command, the
marked tool is skipped, and the next new tool is selected.
When the tool skip signal TLSKP is set to 1 for the last tool, the tool change signal
TLCH is set to 1.

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CAUTION

The tool skip signal TLSKP can be used even in the automatic
operation start state (the STL signal is 1), but a tool selection from
a group by a T command is made when the command is buffered.
This means that after the command is buffered, inputting the tool
skip signal TLSKP does not select the next tool. Therefore, when
supplying the tool skip signal TLSKP in the automatic operation
start state (the STL signal is 1), disable tool selection, for example,
by suppressing buffering before setting the signal from 0 to 1.

New tool select signal TLNW <Fn064.1>

[Classification] Output signal

[Function] Notifies the PMC that a new tool has been selected from a group. This signal can be used,

for example, if the tool length offset value of a newly selected tool is to be measured
automatically when the tool is selected.

[Output cond.] The signal becomes 1 if:

A next new tool is selected because the life of the tools used in the group has expired

when a tool group number is commanded by T code command.

After the code signal for the new tool is sent out, the TLNW becomes 1 at the same time

when the tool function strobe signal TF is sent out.

The signal becomes 0 if:

The completion signal FIN for the strobe signal TF becomes to 1 when the TLNW is 1.

T command

Code signals T0 to T31

Strobe signal TF

New tool select signal
TLNW

Completion signal FIN

Tool group number selection signals TL01 to TL512 <Gn047.0 to Gn048.1>

[Classification] Input signal

[Function] These signals specify a tool group number. Before the tool change reset signal TLRST or

the tool skip signal TLSKP is input, the target group for the tool change reset operation or
tool skip operation is specified with these signals.

[Operation]

The table given below shows the correspondence between tool group numbers and the
tool group signals by providing several examples. A binary number plus 1 indicates a tool
group number. A group with a specified number is then selected.

TL512

TL256

TL128

TL64

TL32

TL16

TL08

TL04

TL02

TL01

Tool group

number

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